Content - Volume 101, May

We performed this study because the differential diagnosis of the arteriolosclerotic ulcer of Martorell is challenging, due to a lack of clearly affirmative instrument based diagnostic criteria. Our main goal was to provide quantitative histomorphological information on arteriolar wall changes in patients suffering from an arteriolosclerotic ulcer of Martorell, in comparison with ulcerative or non-ulcerative controls. This information may facilitate the histological diagnosis, differentiating Martorell ulcers from other types of leg ulcers, and may also contribute to a better understanding of the aetiopathogenesis of this disease.

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Balanoposthitis is a common inflammatory condition of male genitalia, while the overall microbiota spectrum and its relevance to contributing factors have yet to be determined. This case-control study included patients with balanoposthitis (n = 26) and matched healthy controls (n = 29), both uncircumcised. Overt fungal infection in balanoposthitis was excluded, swab samples were collected, ...

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Dose reduction of biologics for psoriasis could contribute to lower drug exposure. This study evaluated a one-step, tightly controlled, biologic dose reduction strategy in a prospective daily practice cohort. In patients with psoriasis with low disease activity using adalimumab, etanercept or ustekinumab for at least 6 months, the dosing interval was prolonged with 33%. Patients could return to th ...

The efficacy of psoriasis treatments is usually evaluated using the Psoriasis Area and Severity Index (PASI). However, there is a lack of systematic statistical assessments of PASI as a proxy for systemic disease in individual patients. Therefore, a retrospective study of 186 treat­ments with adalimumab, etanercept, and ustekinumab for psoriasis (341 patient-years) was performed. While PASI signi ...

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BIOMED-2 Concerted Action BMH4-CT98-3936 (BIOMED-2) PCR protocols are an important diagnostic tool in the evaluation of cutaneous lymphomas. The aim of this study was to assess the diagnostic value of the genotyping results obtained by these techniques in daily clinical practice. A total of 360 paraffin-embedded skin samples were retrospectively reviewed from 114 cutaneous T-cell lymphomas and 35 ...

Leprosy is a chronic infectious disease caused by Mycobacterium leprae. Massive internal migration from rural to urban areas poses new challenges for leprosy control in Shanghai, China. This retrospective epidemiological study examined new cases of leprosy diagnosed in Shanghai from 2000 to 2019, with emphasis on internal migration cases. There were 145 cases of leprosy in the study period; the ma ...

This study analysed genomic mutations in basal cell carcinoma using whole exome sequencing of DNA specimens obtained from 20 Korean patients. Histological evaluation determined that 15 (75%) were low-risk basal cell carcinomas, and 5 (25%) were high-risk basal cell carcinomas. Seventy-five percent of the basal cell carcinomas harboured somatic mutations in hedge­hog pathway genes (PTCH1, 40% and ...

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Angioedema and hereditary angioedema are characterized by swelling of the subcutaneous and/or submucosal tissue, resulting in localized oedema. The rarity, but also the diverse clinical presentation, of these conditions can be challenging regarding diagnosis, treatment, and management. Patient-reported outcome measures (PROMs) are data received directly from the patient, providing the patient’s ...

Chronic ulcers cause a significant burden to patients and society. This study evaluated long-term mortality among patients with chronic ulcers diagnosed at a dermatology clinic between 1980 and 2010. The mortality risk and causes of death of 3,489 patients with ulcers were compared with a matched reference group of 10,399 individuals, and factors associated with increased mortality risk were exami ...

Simultaneous contact allergies are common in individuals with photocontact allergy to ketoprofen. The rate of contact allergy to the fragrance substances oxidized linalool and oxidized limonene in ketoprofen-photo­allergic individuals were investigated in comparison with the corresponding rates in individuals without photo­contact allergy to ketoprofen, using Fisher’s exact test. A total of 4, ...

The histopathology of psoriasis can lack classical features on certain anatomical sites. The aim of this study was to detail the histopathology and immunophenotype of psoriasis on the legs, in order to differentiate it from other inflammatory dermatoses, such as stasis dermatitis. The histopathology of psoriasis on the legs was retrospectively compared with psoriasis on the trunk and stasis dermat ...

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Clinical differential diagnosis of arteriolosclerotic ulcers of Martorell is challenging due to the lack of clearly affirmative instrument-based diagnostic criteria. The aim of this study was to develop vascular histomorphological diagnostic criteria differentiating Martorell ulcers from other types of leg ulcers. The histomorphology of patients diagnosed with arteriolosclerotic ulcers of Martorel ...

Biological drugs targeting tumour necrosis factor are effective for psoriasis. However, 30–50% of patients do not respond to these drugs and may even develop paradoxical psoriasiform reactions. This study search­ed for DNA copy number variations that could predict anti-tumour necrotic factor drug response or the appearance of anti-tumour necrotic factor induced psoriasiform reactions. Periphera ...